is a detection for certain forms of obfuscated malware. Malicious programs detected as VirTool:Win32/CeeInject are used by different malware families in the wild to protect them from detection or analysis.
One such sample of VirTool:Win32/CeeInject obfuscates a Bitcoin mining client, which may be installed on your PC to mine Bitcoins without your knowledge.
Analysis by Stefan Sellmer
Alerts from your security software might be the only symptom.